Zipangizo zopangira zingwe zimapezeka ndi bowo lotseguka la Autosambirr gwiritsani ntchito komanso kuwonjezera miyezo yolimba kapena yolimba yosungira zitsanzo. Teflone ndi silicone rabara kapena silic-yoyera imagwiritsidwa ntchito ngati zida zopangira kuti zitsimikizire kuti SePTA ndi yopanda poizoni; Kuti muwonetsetse ntchito zabwino, ndizoyenera makamaka kwa chromatography, ndikuwonetsetsa kuti septum siyigwera mu zitsanzo za jakisoni.
Njira yolumikizirana yotsatsira imagwiritsidwa ntchito kuphatikizapo polytetrafluoroene membrane ndi mphira kapena silicone limodzi kuti mukhale ndi mikhalidwe yabwino kwambiri ya zinthu ziwirizi. The Polyterafluoro 11ylene wosanjikiza septum yolumikizana ikukhudzana ndi kutsutsa. Ndikosakhazikika komanso kugonjetsedwa ndi asidi, alkali, kutentha, ndi komiti. Sichigwira ntchito ndi asidi wokhazikika, alkali, kapena oxidals amphamvu ngakhale kutentha kwambiri. Nthawi yomweyo, zotupa za rabara kapena sicone wosanjikiza zitha kuonetsetsa kuti kusindikiza.